@article{       CrowlEtal94,
author          = "Lawrence A. Crowl and Mark E. Crovella
                  and Thomas J. LeBlanc and Michael L. Scott",
title           = "The Advantages of Multiple Parallelizations
                  in Combinatorial Search",
journal         = "Journal of Parallel and Distributed Computing",
volume          = 21,
number          = 1,
pages           = "110--123",
month           = apr,
year            = 1994 }